romney built a major lead among republicans and the gop infighting has been nasty and brutal. is he ready to take on president barack obama? and already focussing in on a november matchup and his campaign is depicting mitt romney as an out of touch millionaire. will that strategy pay off. i m wolf blitzer? i m wolf blitzer? you re in the situation room. captions by vitac www.vitac.com we re also learning that george zimmerman, the shooter of trayvon martin, will be speaking publicly within the hour, maybe within the half hour, we are told, he s going to be speaking. we ll have live coverage of that and his first public comments on television. george zimmerman will be making a statement. we ll see what he has to say. that s coming up this hour as well, but let s get to the other breaking news we re following. rick santorum bows to reality and says the presidential race, as far as he s concern side over. with with the suspension of his campaign he leaves mitt romney the